☣️ UN 2507 • CLASS 8
UN 2507 — Chloroplatinic acid, solid
Placard: Corrosive. ERG Guide 154. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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UN 2507 Quick Details
UN 2507
Product name: Chloroplatinic acid, solid
DOT Class: 8
Placard type: Corrosive
ERG Guide: 154 (check current ERG)
Initial isolation: ERG 154: isolate spill area 25m in all directions; if tank/rail car involved in fire, isolate 800m and consider evacuation
Common Hazards of UN 2507
- TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
- Contact with molten substance may cause severe burns to skin and eyes.
- Avoid any skin contact.
- Fire may produce irritating, corrosive and/or toxic gases.
- Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive
- Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.).
- Corrosives in contact with metals may evolve flammable hydrogen gas.
Chemical Identity & Physical Properties
| Also known as | Hexachloroplatinic acidPlatinic chloridePlatinum(IV) chloride hexahydrateHydrogen hexachloroplatinate(IV) |
| CAS Number | 16941-12-1 |
| Appearance | Orange-yellow to brownish-red crystalline solid. Hygroscopic (absorbs moisture from air). No significant odor when dry. |
| Flash Point | Not applicable (non-combustible inorganic solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Highly soluble in water, forming acidic solution; no violent reaction but generates heat |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2507
Extinguishing Media
Water spray, fog, or regular foam acceptable for extinguishing surrounding fires; avoid direct water stream on material
PPE Requirements
⚠️ Level B minimum; full face SCBA required; chemical-resistant suit and gloves mandatory; avoid all skin and eye contact
Isolation & Evacuation
ERG 154: isolate spill area 25m in all directions; if tank/rail car involved in fire, isolate 800m and consider evacuation
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 154).
First Actions for a UN 2507 Incident
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
- For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.
- For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind
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📋 Copy & Share Field Card
UN 2507 — Chloroplatinic acid, solidHAZMAT RADIO NOTE — UN 2507
Product: Chloroplatinic acid, solid
Class 8 / Corrosive / ERG 154
PPE: Level B minimum; full face SCBA required; chemical-resistant suit and gloves mandatory; avoid all skin and eye contact
ISOLATION: ERG 154: isolate spill area 25m in all directions; if tank/rail car involved in fire, isolate 800m and consider evacuation
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 2507 — Chloroplatinic acid, solid
Class: 8 | Placard: Corrosive | ERG Guide: 154
Appearance: Orange-yellow to brownish-red crystalline solid. Hygroscopic (absorbs moisture from air). No significant odor when dry.
Water Reactivity: Highly soluble in water, forming acidic solution; no violent reaction but generates heat
Extinguishing: Water spray, fog, or regular foam acceptable for extinguishing surrounding fires; avoid direct water stream on material
PPE: Level B minimum; full face SCBA required; chemical-resistant suit and gloves mandatory; avoid all skin and eye contact
Isolation: ERG 154: isolate spill area 25m in all directions; if tank/rail car involved in fire, isolate 800m and consider evacuation
— Key Hazards —
• TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
• Contact with molten substance may cause severe burns to skin and eyes.
• Avoid any skin contact.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Ventilate closed spaces before entering, but only if properly trained and equipped.
SOURCE: allfirefighter.com/hazmat/un/2507 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2507 Chloroplatinic acid, solid Cls8 ERG154 | allfirefighter.com/hazmat/un/2507SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions.
Page: https://allfirefighter.com/hazmat/un/2507
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Frequently Asked Questions about UN 2507
TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Corrosives in contact with metals may evolve flammable hydrogen gas.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum; full face SCBA required; chemical-resistant suit and gloves mandatory; avoid all skin and eye contact
Water reactivity: Highly soluble in water, forming acidic solution; no violent reaction but generates heat. Recommended extinguishing: Water spray, fog, or regular foam acceptable for extinguishing surrounding fires; avoid direct water stream on material.
ERG Guide 154 recommendation: ERG 154: isolate spill area 25m in all directions; if tank/rail car involved in fire, isolate 800m and consider evacuation
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 154 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles.
This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.